package com.foreknow.oppExer1.exer6;

/**
 * @author shkstart
 * @create 2021-07-28 14:06
 */
public interface ShapePara {
    /**
     * 获得图形面积
     * @return
     */
    public abstract double getArea();

    /**
     * 获得图形的周长
     * @return
     */
    public abstract double getCircumference();
}
